Amawalk Reservoir
Westchester County, New York587 acresView mapDirections
No nutrient or algae sampling on record from NY DEC for this lake.
- Impaired · Mercury
- 77 ft max depth
Amawalk Reservoir in Westchester County, New York has water-quality measurements published by NY DEC, shown here as reported. Maximum depth: 77 ft. Surface area: 587 acres.
Amawalk Reservoir is a 587-acre lake in Westchester County, New York with a maximum depth of 77 feet.
Source: EPA Water Quality Portal sampling records, NYSDEC. Methodology: how these readings are compared.
What Amawalk Reservoir is good for
From access and monitoring records, not editorial picks.
- Deep water77 ft surveyed max depth
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Amawalk Reservoir is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury, nutrients (phosphorus, nitrogen). Check local advisories before you swim.
Whether Amawalk Reservoir is safe to swim in today is a call for the New York Department of Environmental Conservation and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Amawalk Reservoir
These are the measurements NY DEC publishes for Amawalk Reservoir, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data. TSI undefined.
Ask about Amawalk Reservoir
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
77 ft
Surface area
587 acres
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Fishing Amawalk Reservoir
EPA Impairment Status
Amawalk Reservoir is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 4A).
Causes of impairment
Designated uses not supporting: Drinking water.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit NY1302-0044 · Official waterbody report
Nearby Lakes in Westchester County
Frequently asked questions about Amawalk Reservoir
Where is Amawalk Reservoir?
- Amawalk Reservoir is a lake in Westchester County, New York. Its water-quality measurements are published by NY DEC and shown on this page as reported.
What is the water quality of Amawalk Reservoir?
- Amawalk Reservoir in Westchester County, New York has water-quality measurements published by NY DEC, shown here as reported. Maximum depth: 77 ft. Surface area: 587 acres.
Is Amawalk Reservoir safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Amawalk Reservoir is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury, nutrients (phosphorus, nitrogen). Check local advisories before you swim.
How deep is Amawalk Reservoir?
- Amawalk Reservoir has a maximum depth of 77 feet. The lake covers 587 acres.
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Where this data comes from
Measurements for Amawalk Reservoir come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database